23039457 has 48 divisors (see below), whose sum is σ = 38468160. Its totient is φ = 12192768.

The previous prime is 23039453. The next prime is 23039459. The reversal of 23039457 is 75493032.

It is a happy number.

It is not a de Polignac number, because 23039457 - 2² = 23039453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23039453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203833 + ... + 203945.

It is an arithmetic number, because the mean of its divisors is an integer number (801420).

Almost surely, 2^23039457 is an apocalyptic number.

It is an amenable number.

23039457 is a deficient number, since it is larger than the sum of its proper divisors (15428703).

23039457 is a wasteful number, since it uses less digits than its factorization.

23039457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 23039457 is about 4799.9434371667. The cubic root of 23039457 is about 284.5492289330.

The spelling of 23039457 in words is "twenty-three million, thirty-nine thousand, four hundred fifty-seven".